At 3:30 p.m., Berto’s train was 34 miles past the egg farm, traveling at an average speed of 85 miles per hour. At the same time on a nearby track, Eduardo’s train was traveling at an average speed of 110 miles per hour and had 12 miles to go before it reached the egg farm. To the nearest hundredth of an hour, after how much time will the trains meet up?

Answers

Answer 1

E=egg farm

x=distantce between  the Berto´s trains and the meeting point.

t=time where the trains meet up

⇒110 miles/h                                          ⇒85miles/h

[---------------------------E----------------------]-------------------------------------X

[............12 miles.......][........34 miles.....][------------ x ----------------------]

distance between Berto´s train and Eduardo´s train=

=12 miles+34 miles=46 miles.

S=d/t      ⇒d=S*t

S=seed

d=distance

T=time

Eduardo´s train;

46 miles+x=t*110 miles/h  ⇒x=t*110 miles/h-46 miles  (1)

Berto´s train;

x=t*85 miles/h  (2)

With the equations (1) and (2) we suggest this system equations:

x=t* 110 miles/h-46 miles

x=t*85 miles/h

we solve this system equiations :

t*110 miles/h-46 miles=t*85 miles/h

110t miles/h-85t miles/h=46 miles

25 t miles/h=46 miles

t=46 miles/25 miles/h=1,84 hour  (≈1 hour, 50 minutes, 24 seconds)

x=t*85 miles/h=156,4 miles

Solution: 1,84 hour

Answer 2

Answer:

1.84

Step-by-step explanation:

I did it on edge it was correct


Related Questions

change the fraction 2/5 to a percent

A. 25%
B. 40%
C. 7%
D. none none of these choices are correct​

Answers

2/5 make denominator 100
2/5 = 40/100 = 40%

Answer: B

Step-by-step explanation:

Purchased bed for $119.99 bought it at $71.99 the percent difference was 40% or $48.00. How to I write an equation that relates y discount cost to x original cost.

Answers

Answer:How was the question asked I bet I could figure it out if you told me that

Step-by-step explanation:

Which of these is an example of typing at an average rate of 42 words per minute?
typing 16 words in 32 of a minute
typing 28 words in 32 of a minute
typing 28 words in 23 of a minute
typing 16 words in 23 of a minute

Answers

Answer:

boo

Step-by-step explanation:

b-o-o boo

Answer:

typing 16 words in 2/3 of a minute

Step-by-step explanation:

very very sorry for the late response wish i could have seen this earlier

Write in slope-intercept form an equation of the line that passes through
the given points. (0, 1) (2, 4 )

Answers

Step-by-step explanation:

m= (4-0)/(2-1)

=4

y-int=1

y=mx+c

y=4x+1

Mr Kumar bought a car for $5,000
During the first year, its value depreciated by 20%. What was the value of the car after one year?
A $1,000
B $4,000
C $4,500
D $6,000

Answers

Answer:

b

Step-by-step explanation:

20% of 5000 is 1000 so 5000-1000=4000

Answer:

the answer is A trust me its right

A calculator is able to generate random numbers from the interval (0, 1). We need five random numbers from (0, 2/5). Using this calculator, how many independent random numbers should we generate, on average, to find the five numbers needed?

Answers

Answer:

12.5

Step-by-step explanation:

Using the negative binomial method, we can solve this question. Try defining the variable with parameters (r,p) with success probability p.

Hope this helped!

Which one is bigger 1 3/5 or 1.9

Answers

Answer:

1.9

Step-by-step explanation:

1 3/5 is the same as 1.6. So, which ones bigger? 1.9.

1.9 because 1 3/5 becomes 1.6 and 1.9 is bigger than 1.6

how much sugar is in a 1 l bottle of soda

Answers

Answer:

Step-by-step explanation:

It is about 52 grams of sugar in one bottle of soda.

Answer:

It contains a 108 grams of sugar

In which quadrant does the given point lie?

(-1,5)

Answers

it is in quadrant number 2

what is the remainder of 58,511 divided by 21, the quotient is 2,786 R

Answers

Answer:

the remainder is 5. 2,786 R 5

if 1 yard of ribbon cost 83 cents how much does 1 foot cost

Answers

Answer:

27.7 cents or round to 28 cents

Step-by-step explanation:

3 feet in one yard. 83÷3=27.6666666

Type the correct answer in each box. Use numerals.
Solve the given system of equations.
2y = -x + 9
3x - 6y = - 15
The solution to the system is ( __ , __ )

Answers

2y=-x+9
6y=3(-x+9)

3x-3(-x+9)=-15
3x-(-3x+27)=-15
3x+3x-27=-15
6x=-15+27
6x=12
x=2

2y=-2+9
2y=7
y=7/2

Answer is (2 ; 7/2)

List the solvent and solute(s) in the scenarios below.
A solution of 32% ethanol and 68% water

Answers

Answer:

no

Step-by-step explanation:

which is bigger? 2 or -3 please help!!

Answers

2 is bigger because -3 is below 0

Help me out plz. Struggling :( 5 and 4

Answers

Answer:

#5 = $676.40

#6 = $522.50

Step-by-step explanation:

Lets start with number 5.

Marla earns $17.80 per hour. If she works 38 hours a week she will earn $(17.80*38) per week which is $676.40 per week

Now for number 6

He earns $11.00 an hour for a 40 hour work week. If he gets paid 1.5 that (1.5 his normal rate) for overtime and he has 45 hours vs his 40 hours, heres how we solve:

Solve for his pay on a normal week:

11 * 40 = 440 a week on a normal week

Find out how much overtime

45-40 = 5 hours

Calculate the pay for the overtime

(11*1.5) x 5 =

16.50 x 5 = 82.5

Add the two pays together

440 + 82.50 = $522.50

also #4 is not provided to me to solve so if you want it solved update this question to include it

Hope this helps :)

Vincent had both chocolate cake and coconut cake at his birthday party. There were 20
people at the party, and 6 of them picked chocolate cake. What percentage of the people at
the party picked chocolate cake?
Write your answer using a percent sign (%).

Answers

Answer:

30%

Step-by-step explanation:

Step 1:

6/20          Divide

Step 2:

3/10       Simplify

Step 2:

30/100      Multiply

Answer:

30%

Hope This Helps :)

Answer:

[tex] \huge \bf \: solution[/tex]

[tex] \sf \: total \: people \: = 20[/tex]

[tex] \sf \: people \: picked \: chocolate \: cake = 6[/tex]

[tex] \huge \tt \: \: percent \: = \frac{6}{20} [/tex]

[tex] \tt \: now \: \\ \tt \: \frac{3}{10} [/tex]

[tex] \tt \: 3 \times 10 = 30[/tex]

[tex] \large \boxed{30\%}[/tex]

find two number closest to 5000 that are divisible by 36,21,and 12​

Answers

1,008 hope this helps

The time it takes to preform a task has a continuous uniform distribution between 43 min and 57 min. What is the the probability it takes between 52.3 and 54.7 min. Round to 4 decimal places.

Answers

Answer:

The values is  [tex]P(52.3 < X < 54.7 ) = 0.17142[/tex]

Step-by-step explanation:

From the question we are told that

  The lower limit of the interval is  a = 43 minutes

   The upper limit of the interval is  b  =  57 minutes

Generally the probability distribution function of  uniform distribution is mathematically represented as

          [tex]F(x) = \left \{ {{\frac{1}{(b - a)}\ \ \ for \ x \ \epsilon\ | a, b | } \atop {0 } \ \ \ \ \ \ otherwise} \right.[/tex]

Generally the probability it takes between 52.3 and 54.7 min is mathematically represented as

       [tex]P(52.3 < X < 54.7 ) = \int\limits^{52.4}_{54.7} {F(x)} \, dx[/tex]

=>  [tex]P(52.3 < X < 54.7 ) = \int\limits^{52.4}_{54.7} {\frac{1}{57- 43} } \, dx[/tex]

=>   [tex]P(52.3 < X < 54.7 ) = \int\limits^{52.4}_{54.7} {\frac{1}{14} } \, dx[/tex]

=>   [tex]P(52.3 < X < 54.7 ) = {\frac{1}{14} } \int\limits^{52.4}_{54.7} \, dx[/tex]

=>   [tex]P(52.3 < X < 54.7 ) = {\frac{1}{14} } [x] \ | \left 54.7} \atop {52.3}} \right.[/tex]

=>   [tex]P(52.3 < X < 54.7 ) = \frac{54.7 -52.3}{14}[/tex]

=>   [tex]P(52.3 < X < 54.7 ) = 0.17142[/tex]

Which congruence theorem can be used to prove △BDA ≅ △DBC?

Triangles B D A and D B C share side D B. Angles C B D and A D B are right angles. Sides C D and B A are congruent.

HL
SAS
AAS
SSS

Answers

Answer:

HL

Step-by-step explanation:

The triangles share a congruent hypotenuse as well as one side. This qualifies for the Hypotenuse leg theorem.

Answer:

A: HL

Step-by-step explanation:

Carol gets paid $10 per
hour to work as a lifeguard. This
weekend, she worked on both Saturday and Sunday. She
made a total of $80. Carol worked for 5 hours on Saturday.
For how many hours did she work on Sunday?
Let x = hours spent working on Sunday. Choose the equation and solution
steps that correctly represent this problem.

Answers

Answer:

3 hours

step by step explanation:

x + (10 x 5) = 80

Answer:

she worked 3 hours on sunday .Equation: 10 multiplied by x

Step-by-step explanation:

Which expression represents the phrase below?
The product of 15 and the quantity 12 less than a number.
a. (15 x 12) - a
b. 15(a - 12)
c. 15+ (12-a)
d. 12a * 15

Answers

The answer is (15*12) -a

Answer:

Answer C

Step-by-step explanation:

the product of 15 and the quantity 12 less than a number

Mike was training for a marathon. On his first day, he ran 2.45 kilometers. On the second day, he ran 3.8 kilometers. How far did he run altogether?

Answers

Answer:

6.25 kilometers

Step-by-step explanation:

2.45km + 3.8km

= 6.25km

Answer: 6.25 Kilometers

Step-by-step explanation:

First, take 2.45 Kilometers from day one

Then take 3.8 Kilometers from day two

Now add them together for the result of

6.25 Kilometers

If someone could help me out here it would be greatly appreciated.

Answers

Answer:

k=45

Step-by-step explanation:

the k on the right can be mirrored from the left side of the triangle, the other side of the triangle says that its 45 degrees so that means the answer is as well, but if you want to make sure that the answer is correct then take the 2k degrees then replace the k with 45 and multiple that which gives you 90. add the other 2 45s together which gives you another 90 and then add the two 90s which gives you 180.

Two numbers have a difference of 3. The sum of their squares is 89. Find the number​

Answers

Answer:

The numbers are 8 and 5

Step-by-step explanation:

The square of 8 is 64 and the square of 5 is 25. 25 plus 64 equals 89.

_____=amount received after redemption -amount invested

Answers

Answer:

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

Price or value I don’t really know

PLEASE HELP!! GEOMETRY!!

Answers

=685.67Step-by-step explanation:

What’s the product of 1,243x8

Answers

Answer:

9944

Step-by-step explanation:

Calculator. Was there anything else you needed help on while I'm at it?

Answer:

9944

Explaination:

Typed it into a calculator

How do you do these two questions?

Answers

Answer:

y(t) → 2 as t → ∞

dP/dt = P (P/1850 − 1) (1 − P/16000)

Step-by-step explanation:

The graph shows how dy/dt changes as a function of y.

At t = 0, y = -0.5.

At y = -0.5, dy/dt > 0.  Therefore, y is increasing.

y continues to increases until y = 2.  At this point, dy/dt = 0, and changes signs from positive to negative, so y begins to decrease.  dy/dt then becomes positive again, and the cycle repeats.

So y approaches 2 as t approaches infinity.

dP/dt is negative when P < 1850.

dP/dt is positive when 1850 < P < 16,000.

dP/dt is negative when P > 16,000.

dP/dt is 0 when P is 0.

Therefore, dP/dt = P (P/1850 − 1) (1 − P/16000).

I WILL BRAINLEST THE FIRST CORRECT PERSON TO ANSWER THIS * view image*

Answers

Answer:

11 22 333 444 66% 88 have a blessed day and get 100% ok

Step-by-step explanation:

Solve for u, where u is a real number. Square root of u+6=9 If there is more than one solution, separate them with commas. If there is no solution, click on "No solution".

Answers

Answer:

The answer is 3+6=9. u=3 .

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